642112989

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1\times {\mathrm{1231}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 998215680

約数和(自身を除く): 356102691

約数列:

[1, 3, 7, 21, 59, 177, 413, 421, 1231, 1239, 1263, 2947, 3693, 8617, 8841, 24839, 25851, 72629, 74517, 173873, 217887, 508403, 518251, 521619, 1525209, 1554753, 3627757, 10883271, 30576809, 91730427, 214037663, 642112989]

約数ペア:

[(1, 642112989), (3, 214037663), (7, 91730427), (21, 30576809), (59, 10883271), (177, 3627757), (413, 1554753), (421, 1525209), (1231, 521619), (1239, 518251), (1263, 508403), (2947, 217887), (3693, 173873), (8617, 74517), (8841, 72629), (24839, 25851)]